Home / 13,700.28-20,537.97-4,933.20

Finding the Fourth Proportional to 13,700.28, 20,537.97 and 4,933.20

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Solution

The fourth proportional to 13,700.28, 20,537.97 and 4,933.20 is: 7,395.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,700.28 : 20,537.97 = 4,933.20 : x
  2. Step 2: Convert to fraction form
    13,700.28/20,537.97 = 4,933.20/x
  3. Step 3: Cross multiply
    13,700.28x = 20,537.97 × 4,933.20
  4. Step 4: Simplify right side
    13,700.28x = 101,317,913.60
  5. Step 5: Solve for x
    x = 101,317,913.60/13,700.28
  6. Step 6: Final answer
    x = 7,395.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.